TY  - RPRT
TI  - Species richness: A geographical approach to protecting future biological diversity
AU  - J. M. Scott
AU  - B. Csuti
AU  - J.D. Jacobi
AU  - J. E. Estes
PY  - 1987
DO  - 10.2307/1310544
UR  - https://pubs.usgs.gov/publication/5221176
ID  - 5221176
ER  -